Finding the Fourth Proportional to 204,871.84, 282,622.62 and 136,905.55
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Solution
The fourth proportional to 204,871.84, 282,622.62 and 136,905.55 is: 188,862.49
Step by Step Solution
- Step 1: Write the proportion equation
204,871.84 : 282,622.62 = 136,905.55 : x - Step 2: Convert to fraction form
204,871.84/282,622.62 = 136,905.55/x - Step 3: Cross multiply
204,871.84x = 282,622.62 × 136,905.55 - Step 4: Simplify right side
204,871.84x = 38,692,605,233.54 - Step 5: Solve for x
x = 38,692,605,233.54/204,871.84 - Step 6: Final answer
x = 188,862.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.